Heating and ventilating buildings : a manual for heating engineers and architects . Fig. 171.—Path taken by the Boiler. top of the shell, the lower forming the crown of the fur-nace, which was about 2 feet above the grates and the base 206 HEATING AND VENTILATING of the shell, and was flanged upon the inner surface ofthe furnace. There was a safety-plug in the lower tube-head which was not melted out. The working pressure was60 pounds per square inch, and the explosion probably tookplace at or a little below this pressure,throwing the boiler through the roof andhigh over a group of
Heating and ventilating buildings : a manual for heating engineers and architects . Fig. 171.—Path taken by the Boiler. top of the shell, the lower forming the crown of the fur-nace, which was about 2 feet above the grates and the base 206 HEATING AND VENTILATING of the shell, and was flanged upon the inner surface ofthe furnace. There was a safety-plug in the lower tube-head which was not melted out. The working pressure was60 pounds per square inch, and the explosion probably tookplace at or a little below this pressure,throwing the boiler through the roof andhigh over a group of buildings and a talltree close by, finally burying itself halfits diameter in the frozen ground. Therey had been a leak in the lower head which Fig. 172. had reduced by erosion the thickness of Showing Beginning of ., , u j *.i 1 1 j ,1 .. .1 Process of Rupturing. the tubes and the lower head so that thepressure was sufficient to force the lower head down away from the tubes, opening fifty or more holes 2 inches in diameter from which the fluid contents of the boiler issued at a high velocity, relieving the pressure below and converting the whole boiler into a great rocket weighing about 2000 pounds. 103. Explosions of Hot-water Heaters.—While hot-water heaters pr
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Keywords: ., bookcentury1900, bookdecade1910, bookpublishernewyo, bookyear1910
